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Derived unit — OCR GCSE Combined Science A Definition

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Combined Science
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Derived unit

GCSE Combined Science · key term

Derived unit

Definition

A unit formed by combining SI base units, such as $\mathrm{m/s}$ for speed or the newton for force.

Used by OCR

How each exam board covers it

OCR GCSE Combined Science A · J250

Specification WS1.4c · Biology Paper 1, Biology Paper 2, Chemistry Paper 1, Chemistry Paper 2, Physics Paper 1, Physics Paper 2

A derived unit combines base units by multiplication, division or powers. The equation defining a quantity helps explain its unit.
Revise: SI Units and IUPAC Nomenclature

OCR Combined Science A past papers

Related key terms

Chemical formula
International System of Units (SI)
IUPAC nomenclature
SI base unit
Unit

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